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Sheet     to

DRAWN BY

1

1

A1.0

KEY&IR

USB

XIAMEN OVERSEAS CHINESE
 ELECTRONIC CO., LTD.

TITLE:

DWG NO.

REV.

APPROVED BY

PWM2

ON_PBACK

NJ02

AP1117-ADJ

IN

TUNJ01

TDQ-10A/126D

XOCECO

POWER IN

SIF_CTL

IR_IN

TUNER_AFT

VIF_CTL

RJ27

10K

LJ09

STPB3216-380PT

10n

CJ75

+12V

TUNER_AFT

+5V_STB

+12V

CJ97

10n

CJ108

10p

LED

VJ15
BC847AW

LJ33

22uH

VDDC

5V_1

+32v

RJ60

2.2K

LJ07

SLF7032T-100M1R4-PF

2

1

SIFP

CJ36

10u

+5V

CJ33

10u

GJ01

4MHz

5V_TUNNER

CJ63

2.2u

CJ95
100n

LJ25

0.56uH

RJ75
4.7K

CJ92

10n

+12V

CJ111

100n

CJ113

RJ19
470

RJ13

1K

DJ03

MBRS130T3

+5V_USB1

CJ16

100n

VJ16
BC847AW

RJ53

10K

CJ73

1u

KEY0_IN

VIF_CTL

10n

CJ51

RJ40

560

+2.6VM

RJ99

10K

VJ13
BC847AW

VDDP_PM

ZJ03

LT4.5M

CJ08

470p

RJ72
4.7K

CJ107

10p

2.7K

RJ43

VJ10

BC847AW

VJ17

BC847AW

SIFP

LJ37

STPB3216-380PT

NJ08

ICVL1018100Y500FR

CJ50

47u

6.8K

RJ44

RJ81

0

RJ24
4.7K

XJ03

1

2

3

4

+3.3V_STB

NJ03

MP1410-C019

1

BS

2

IN

3

SW

4

GND

5

FB

6

COMP

7

EN

8

N/C

10n

CJ52

+5V_USB

RJ26

1K

RJ35

5.6K

SIFM

RJ41
2.7K

CJ06

3.9n

CJ34

100n

CJ22
100u

10V

RJ66
4.7K

RJ95
1.2K

NJ05

AO4803A

1

S2

2

G2

3

S1

4

G1

5

D1_5

6

D1_6

7

D2_7

8

D2_8

+5V_STB

DJ06

MA859

RJ86

47K

CJ99

1u

LJ10

STPB3216-380PT

RJ84

0

LJ13

STPB3216-380PT

LJ29

STPB3216-380PT

RJ20
510

XJ04

1

2

+2.6MVDD

RJ69

51K

CJ29

10n

RJ67

10K

CJ105

10n

CJ103

470n

CJ01

100n

LJ28

BG2012D151T

RJ50

10K

VJ09

BC847AW

AVDD_RXV

CJ17

100n

RJ80

470

CJ106

47u

10V

AVDD_MEMPLL

LJ06

STPB3216-380PT

CJ76

1u

LJ35

4.7uH

CJ96

100n

AVDD_RXS

IR_IN

RJ12

4.7K

LJ21

BG2012D151T

CJ94

10n

RJ102

0

RJ33

51

LJ23

BG2012D151T

AVDD_MPLL_PM

LJ34

BG2012D151T

CJ86

27p

LJ15

BG2012D151T

100

RJ29

LJ17

BG2012D151T

10K

RJ54

LJ30

0.56uH

RJ01

0

NJ07

VIFM

+5V_USB1

RJ58
4.3K

LJ16

BG2012D151T

CJ43

2.2u

+5V_STB

CJ70

100uF

10V

+12V

+5V_STB

10K
RJ52

+2.6VM

VCC_1.26

LJ03

STPB3216-380PT

RJ32

22

CJ21
220u
10V

FUJ01

SMD1206P075TF

750mA

VJ11

BC847AW

VCC_PANEL

USB1_D-

+12V

RJ47

0

RJ03

10K

CJ31
100n

RJ61

2.2K

CJ19

100u
16V

LJ12

STPB3216-380PT

CJ04

100n

CJ35
100n

VJ12
BC847AW

RJ57

2.2K

VDDP

RJ42

2.7K

RJ79

100

CJ93

220n

AVDD_33_PM

TAGC

LJ22

STPB3216-380PT

RJ97

4.7K

ON_USB1

CJ24

10u

CJ109

2.2u

100

RJ34

CJ05

220u

10V

I2C_SDA

CJ39

2.2u

RJ38
2.7K

CJ53
100n

5V_ALL

+5V

RJ22

10K

AVDD_AU

RJ37

0

RJ09

1K

+5V

CJ77

100n

DJ01

SK34A

LJ20

BG2012D151T

CJ90

47u

10V

5V_TUNNER

RJ88

100

AVDD_USB

VJ14
BC847AW

+5V_STB

CJ91

100n

RJ28

1K

SIF_CTL

RJ90

47

RJ93

0

RJ36

1K

CJ102

10n

CJ15

100u

16V

RJ73
4.7K

XJ02

USB3112

1

2

3

4

RJ85

75

LJ26

NLC453232T-220K

RJ76
4.7K

5V_ALL

NJ06

VJ07

BC847AW

XJ01

TJC3-13A

1

2

3

4

5

6

7

8

9

10

11

12

13

ON_PANEL

LJ24

5V_TUNNER

CJ67

2.2u

LJ14

STPB3216-380PT

LJ36

STPB3216-380PT

VJ03

BC847AW

RJ65
100

RJ45

0

RJ98
4.7K

RJ89

10K

CJ87

1200p

CJ98

100n

CJ28

100n

CJ54

47u

25V

USB1_OC_DET

RJ70

0

OUT

SIFM

VJ04

BC847AW

RJ51

10K

+5V_STB

RJ48

0

CJ104

1000p

CJ26

+12V

RJ14

220

NJ10

M61111FP

14

Ref_Signal

1

Video_out

11

Audio_out

23

IF_AGC2

3

Video_in

8

SIF_in

6

APC

22

IF_AGC1

15

Lofic_Vcc

21

VIF_in2

7

VCOF/B

5

Video_det_out

18

QIF_in

9

Vreg

16

AFT

10

SIF_out

17

RF_AGC

4

Vcc

19

GND

24

EQ_AMP_F/B

2

TV/FM_SW

20

VIF_in1

12

Audio_Level_Cont.

13

Logic_GND

CJ12

2.2u

CJ42

2.2u

RJ30

12K

5V_TUNNER

CJ23

100n

LJ18

BG2012D151T

RJ87

240

RJ83

20

RJ64

100K

10n

CJ74

+5V_USB

CJ100

100n

+3.3V_STB

RJ68

30K

CJ10

CJ89
100n

5V_1

CJ101

100n

100n

CJ49

CJ112

100n

RJ91

10

RJ71

0

VIFP

VCC_1.26

LJ19

BG2012D151T

CJ88

150p

+3.3V_STB

LJ31

0.56uH

CJ13

100u

16V

CJ25

10n

CJ83

100n

RJ92

220

TPJ01

I2C_SCL

LJ05

STPB3216-380PT

RJ31

22

5V_TUNNER

PW_CTL

VJ01

BC847AW

5V_TUNNER

RJ82

200

RJ59

2.2K

NJ01

AZ1084S-3.3

Vin

ADJ/GND

Vout

RJ49

0

5V_TUNNER

ZJ04

XT4M5

5V_ALL

LJ08

SLF12575T-220M4R0

2

1

CJ27
470u

25V

CJ30

100u

10V

+32v

CJ37

100n

CJ40

100n

CJ58

100n

CJ57

100n

CJ71

100n

CJ80

100n

CJ44

100n

CJ59

100n

CJ41

100n

CJ65

100n

CJ66

100n

CJ60

100n

CJ79

100n

CJ68

100n

CJ61

100n

CJ84

100n

CJ78

100n

CJ55

100n

CJ82

100n

CJ62

100n

CJ85

100n

CJ69

100n

CJ56

100n

CJ64

100n

DJ08
SK34

RJ74

1K

VJ18

AO3401

S

D

G

RJ105

1K

RJ106

5.1K

VJ19
BC847AW

RJ104

1K

+12V

RJ06

10K

RJ107

15K

RJ08

RJ108

10K

CJ72

100n

CJ38

100n

CJ110

10n

CJ81

100n

+12V

5V_TUNNER

5V_TUNNER

ZJ06

K9656

1

2

3

4

5

CJ114

10n

RJ109

2.7K

RJ110

2.7K

RJ111

2.7K

RJ112

2.7K

CJ118

1u

CJ117

10n

CJ116

10n

ZJ05

K7257

1

2

3

4

5

CJ47

470u
10V

RJ113

0

CJ121

100u

10V

CJ122

100n

RJ96

0

RJ103

0

RJ16

1K

RJ100

1K

RJ17

1K

RJ101

1K

RJ21

10K

RJ25

392

CJ11

RJ07
6.8K

RJ04

0

RJ23

45K

RJ94

0

CJ119

27p

CJ120

27p

DJ07

MA859

RJ39

15

VJ08
2SC4215

LJ04

STPB3216-380PT

LJ02

STPB3216-380PT

RJ114

100K

CJ123

100n

CJ124

100n

CJ125

100n

CJ188

10u

NJ04

MP1484

1

BS

2

IN

3

SW

4

GND_4

5

FB

6

COMP

7

EN

8

SS

DJ05

CD4148WP

CJ48
100n

CJ46

100n

CJ45

100n

CJ14
100n

LJ32

LJ27

STPB3216-310PT

D12V

11

IF

3

SAS

9

NC9

10

NC10

5

SDA

7

NC7

6

BP_+5V

8

VT_33V

2

AGC

4

SCL

K9656

ZJ01

1

2

3

4

5

ZJ02

K3953

1

2

3

4

5

ON/OFF

5V

GND

GND

BL_ON/OFF

12V

12V

GND

5V_STB

32V

GND

GND

PWM

D3502H

M9370M30

1%

NC

NC

NC

NC

NC

NC

NC

NC

NC

1000uF/16V

 10K

6.8n

 0.1u

POWER FOR MST6M16

NC

MAIN Board

Содержание LCD-19R30

Страница 1: ...LCD TV SERVICE MANUAL LCD 19R30 PRODUCT CODE No REFERENCE No SM0915068 1 682 348 10 P S BG DK I FILE NO PRODUCT CODE No ...

Страница 2: ...TS Safety precautions 1 Alignment instructions 3 Software upgrade method 8 Block diagram 10 IC block diagram 11 Troubleshooting guide 12 Schematic diagram 20 APPENDIX A Assembly list APPENDIX B Exploded view ...

Страница 3: ... will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the module lest it should cause fire or electric shock due to contact with the high voltage or short circuit 2 6 Should there be smoke abnormal smell or sound from the module please shut the power off at on...

Страница 4: ...20 85 Scope for storage 10 90 2 13 Display of a fixed picture for a long time may result in appearance of picture residue on the screen as commonly called ghost shadow The extent of the residual picture varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may remain in the picture for a period of time several minutes But when operating it please avoid dis...

Страница 5: ...le 1 Table 1 XJ01 all pin voltage XJ01 Pin1 2 3 4 5 6 7 8 9 10 11 12 13 Voltage 2 5 V 0 3 3 V 0 11 4 V 12 6 V 0 31 4 V 32 6 V 4 75 V 5 25 V 0 4 75 V 5 25 V 0 2 5 V 2 2 Alignment flow chart Fig 1 Defaults preset Check accessory then pack the TV Check if HDMI input is normal Check all the function at this mode Check if VGA input is normal Check VGA mode analog control H V center etc Check if DDC FLA...

Страница 6: ...to user menu select VGA Settings from Setup menu then select Auto to perform auto correction so that the picture can be displayed wholly Then input signal from VG848 with PATTERN of 914 go to factory menu and select ADC ADJUST to perform AUTO ADC until Complete appears b When adjusting in YPbPr mode first input 480i 60 Hz format signal with 75 color bar plus gray scale VG848 Timing input 968 PAT 9...

Страница 7: ... 305 In this way repeatedly adjust R GAIN B GAIN and R OFFSET B OFFSET until both the first and second steps chromaticity coordinates be 295 305 3 2 2 3 For YPbPr channel Through YPbPr channel input 8 step gray scale signal VG848 Timing input 968 PAT 920 go to factory menu and access color temperature menu page fix G GAIN adjust R GAIN and B GAIN to make the 7th step chromaticity coordinates be 29...

Страница 8: ... 1280 720 50 Hz 37 50 50 74 25 720p 50 6 1280 720p 59 94 60 Hz 44 96 59 94 74 18 720p 59 94 60p 7 1920 1080i 50Hz 28 125 50 74 25 1080i 50 8 1920 1080i 59 94 60 Hz 33 75 59 94 74 25 1080i 59 94 60i 9 1920 1080p 23 98 24 Hz 27 00 23 98 24 74 25 1080p 23 98 24p 10 1920 1080p 50Hz 56 25 50 148 50 1080p 50 11 1920 1080p 59 94 60 Hz 67 50 60 00 148 50 1080p 59 94 60p 4 4 VGA input check Respectively in...

Страница 9: ... 60 Hz 44 96 59 94 74 18 720p 59 94 60p 7 1920 1080i 50Hz 28 125 50 74 25 1080i 50 8 1920 1080i 59 94 60 Hz 33 75 59 94 74 25 1080i 59 94 60i 9 1920 1080p 23 98 24 Hz 27 00 23 98 24 74 25 1080p 23 98 24p 10 1920 1080p 50Hz 56 25 50 148 50 1080p 50 11 1920 1080p 59 94 60 Hz 67 50 60 00 148 50 1080p 59 94 60p Note A DVI device also can be connected to the HDMI jack by using a DVI to HDMI adapter cab...

Страница 10: ...the TV after power off c Insert the USB device into the USB port Keep holding any button except POWER button on the TV and then plug the power cord into the power outlet after about 2 3s release the button the software begins to upgrade automatically Note that during upgrade the USB device can not be removed and the TV can not be power off d During the process operate according to hints provided o...

Страница 11: ... to Feature Adjust sub menu select EEPROM Init at the first line ⅲ Press RIGHT arrow button to perform initialization During the process the message Please Wait will be displayed When complete OK is displayed ...

Страница 12: ...Block Diagram 10 ...

Страница 13: ...er a scaling engine the MStarACE 3 color engine an on screen display controller an 8 bit MCU and a built in output panel interface By use of external frame buffer PIP POP is provided for multimedia applications Furthermore 3 D video decoding and processing are fulfilled for high quality TV applications To further reduce system costs the MST6E16GS also integrates intelligent power management contro...

Страница 14: ...pply or infrared sensor board has trouble or power cord problem No Check if main chip MST6E16 pin44 waveform is sine wave FLASH pin6 waveform is square wave Check main chip peripheral circuit and FLASH EEPROM peripheral circuit Check backlight board then check main chip pin81 backlight control status No Check if signal from its input to IC pin is normal If normal then check IC and its periphery an...

Страница 15: ... pin 44 waveform is sine wave or not Check NS01 crystal oscillator circuit Note If detect NS01 main chip pin 169 is of high level you may remove RS14 detect VS01 emitter if first output high level after power on then output low level continuously If not the reset circuit may have problem First detect if NS01 main chip pin 44 waveform is sine wave if not check NS01 crystal oscillator circuit When c...

Страница 16: ...K but no sound Note HDMI channel is excluded For HDMI channel picture and sound check please refer to procedure of 5 3 Sound OK but no picture only backlight lights up Sound is ok but only raster appears Check LVDS power supply is normal Normal Abnormal Check signal from NS01 to XS01 is normal Normal Abnormal Panel LVDS reception board has problem Check NS01 power supply and its peripheral circuit...

Страница 17: ...signal output No Yes Check power amplifier rear stage peripheral circuit Check CV18 CV22 have signal input amplification Yes No Check NV06 corresponding channel has signal input Check power amplifier s peripheral circuit the power supply and MUTE pin circuit Yes No Check NV06 peripheral circuit and its power supply Check every stage circuit along the audio input channel 15 ...

Страница 18: ...xists problem b channel has no picture Check CS28 has signal input Yes No The route from SCART CVBS socket to NS01 exists problem Check NS01 peripheral circuit crystal oscillator and the power supply c S VIDEO channel has no picture Check CS25 CS26 has signal input Yes No Check NS01 peripheral circuit crystal oscillator and the power supply The route from S VIDEO socket to NS01 exists problem 16 S...

Страница 19: ... and NS01 e channel has no picture Check CS21 CS22 CS23 CS24 have signal input Yes No Check NS01 peripheral circuit crystal oscillator and the power supply Check NB06 pin 4 pin 7 pin 9 have signal output No Yes Check NB06 pin 2 pin 5 pin 11 3 pin 6 pin 10 have signal input No Yes Check NB06 peripheral circuit the power supply 17 Check channel between NB06 output and NS01 input The route between YP...

Страница 20: ...ut Yes No Check NS01 peripheral circuit crystal oscillator and the power supply Check circuit between HDMI socket and NS01 Note To get normal HDMI picture especially when connect to DVD player with HDCP information it must be guaranteed that NV04 and NV05 HDMI port DDC chip writing is correct and especially bus between NV04 NV05 and HDMI jack must be smooth and unhindered Secondly HOTPLUG circuit ...

Страница 21: ...r supply Check circuit between HDMI socket and NS01 Note To get normal HDMI sound especially when connect to DVD player with HDCP information it must be guaranteed that NV04 and NV05 HDMI port DDC chip writing is correct and bus between NV04 NV05 and HDMI jack must be smooth and unhindered otherwise the sound playback can not go 19 ...

Страница 22: ......

Страница 23: ... 1R_IN 4 GND D 6 1L_IN 8 1FUN_SEL 10 pinCo 12 pinCo 14 GND D 16 1RGB_SW 17 GND D 19 1TV_OUT 18 GND D 20 1TV_IN 21 GND D AV1_LIN RB27 470 SCART1_R SCART1_RIN 12V CB55 100n RB52 47 AV1_RIN CB10 2 2u 25V RB140 15K NB12 PESD5V0L4UG 1 2 3 4 5 RB114 12K CB23 560p Y RB78 4 7K RB59 10K SC1_L SCART1_LOUT RB82 10K RB105 10K RB128 100 RB93 100 CB49 100n SCART1_LIN DDC_SDA CB34 560p NB11 PESD5V0L4UG 1 2 3 4 5...

Страница 24: ...CJ15 100u 16V RJ73 4 7K XJ02 USB3112 1 2 3 4 RJ85 75 LJ26 NLC453232T 220K RJ76 4 7K 5V_ALL NJ06 VJ07 BC847AW XJ01 TJC3 13A 1 2 3 4 5 6 7 8 9 10 11 12 13 ON_PANEL LJ24 5V_TUNNER CJ67 2 2u LJ14 STPB3216 380PT LJ36 STPB3216 380PT VJ03 BC847AW RJ65 100 RJ45 0 RJ98 4 7K RJ89 10K CJ87 1200p CJ98 100n CJ28 100n CJ54 47u 25V USB1_OC_DET RJ70 0 OUT SIFM VJ04 BC847AW RJ51 10K 5V_STB RJ48 0 CJ104 1000p CJ26 ...

Страница 25: ...35 0 5V_ear 5V_STB HDMIA_DDC_SDA 12V_AMP NV04 24C02N 10SI27 1 AO 2 A1 3 A2 4 GND 5 SDA 6 SCL 7 WP 8 Vcc RV23 4 7K HDMI_CEC RV64 1 1K AU_SW0 HDMIA_DDC_SCL RV33 100 VV02 BC847AW 5V AMP_L RV58 100 HDMIA_RXC HDMIB_RXC GND D CV07 22p NV03 1 2 3 4 5 6 CV11 47u 16V VV01 BC847AW RV28 10K RV76 2 4K XV02 HDMI FIX 18 11 4 17 7 14 3 2 10 13 6 19 9 1 16 5 12 15 8 RV71 0 RV59 200 RV72 1 1K CV10 22p RV37 10K RV3...

Страница 26: ...00n NS02 MX25L1605AM2C 12G 1 CS 2 SO 3 WP 4 GND 5 SI 6 SCLK 7 HOLD 8 VCC VIFP RS50 22 GND H RS59 100 HDMIA_RX0 HDMIA_DDC_SDA CS43 10u TAGC 5V_STB RS109 0 RS78 10K HDMIB_RXC SOY RS104 0 VIFM CS39 10n HDMIB_RX2 ON_PANEL RS86 4 7K RS91 47 CS15 100n PB 2 6MVDD CS67 22p 3 3V_STB 3 3V_STB CS17 47n CS37 2 2u VIF_CTL RS80 4 7K LED RS02 22K RS20 100 HDMIA_RX0 ON_PBACK HDMIB_DDC_SDA RS64 22 CS03 4 7u CS47 1...

Страница 27: ......

Страница 28: ...19 Backlight Board ...

Страница 29: ...19 Power Board ...

Страница 30: ...5270616001 HY5DU561 5275616222 HEF4052B 5274052001 FTDC3S20 5524050023 IR board XI6KU0090910 Key board XI6HE0330510 Power board XI6KU0202010 Remote control XI6010200901 Panel XI5203195205 CLAA185WA03 233 APPENDIX A Main assembly LCD 19R30 MAIN COMPONENT AND IT S NO ...

Страница 31: ...1 4 5 2 6 9 7 8 3 10 APPENDIX B Explodedview LCD 19R30 ...

Страница 32: ...IST OF EXPLODED VIEW NO DESCRIPTION 1 front cabinet 2 key board 3 IR board 4 speaker 5W 16Ω 5 panel 6 main board 7 back cabinet 8 stand column 9 stand 10 power backlight board 11 user manual 12 remote control ...

Страница 33: ...aker 5W 16Ω 2 5 XI5203195205 panel 1 CLAA185WA03 233 6 XI6KU0090110 main board 1 7 XI5H1946M010 back cabinet 1 8 XI6156090800 stand column 1 9 XI6151201000 stand 1 10 XI6KU0202010 power backlight board 1 11 XI5944035620 user manual 1 12 XI6010200901 remote control 1 Only the parts in above list are used for repairing Other parts except the above parts can t be supplied ...

Страница 34: ...overing to prevent accidental scratching or damage to the unit s finish 4 The speaker is not intended to support the weight of this display Do not move or handle this product from the speaker which can cause damage to the display not covered under the manufacturer s warranty Place the stand on the table hold the display upright and aim the bottom stand column toward the stand groove then carefully...

Страница 35: ...hout notice Detaching the stand column 1 Place carefully the display on its front side with a soft cushion below shake the stand forward or backward to adjust angle between the stand and the display let the angle 90 If wall mounting please detach the stand column Place carefully the display on its front side with a soft cushion below loosen and remove 4 pcs screws detach the stand column 9 0 Pull ...

Страница 36: ...e sure to ask an authorized service personnel to carry out setup 2 Thoroughly read this instruction before setup and follow the steps below precisely 3 The wall to be mounted should be made from solid materials Only use accessories supplied by the manufacturer 4 Very carefully handle the unit during setup We are not liable for any damage or injury caused by mishandling or improper installation 5 B...

Страница 37: ...July 2009 ...

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